lxdream 0.9.1| filename | src/bootstrap.c |
| changeset | 1:eea311cfd33e |
| next | 10:c898b37506e0 |
| author | nkeynes |
| date | Sat Mar 13 00:03:32 2004 +0000 (19 years ago) |
| permissions | -rw-r--r-- |
| last change | This commit was generated by cvs2svn to compensate for changes in r2, which included commits to RCS files with non-trunk default branches. |
| file | annotate | diff | log | raw |
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +00001.2 +++ b/src/bootstrap.c Sat Mar 13 00:03:32 2004 +00001.3 @@ -0,0 +1,99 @@1.4 +#include <stdlib.h>1.5 +#include <stdint.h>1.6 +#include <string.h>1.7 +#include <stdio.h>1.8 +#include <unistd.h>1.9 +#include <fcntl.h>1.10 +#include <errno.h>1.11 +#include <assert.h>1.12 +#include <sys/stat.h>1.13 +#include <sys/mman.h>1.14 +#include "ipbin.h"1.15 +#include "gui.h"1.16 +1.17 +static char *dc_peripherals[] = { "Uses WinCE", "Unknown (0x0000002)",1.18 + "Unknown (0x0000004)", "Unknown (0x0000008)",1.19 + "VGA Box", "Unknown (0x0000020)",1.20 + "Unknown (0x0000040)", "Unknown (0x0000080)",1.21 + "Other Expansions", "Puru Puru pack",1.22 + "Mike", "Memory card",1.23 + "Basic controller", "C button",1.24 + "D button", "X button",1.25 + "Y button", "Z button",1.26 + "Expanded direction buttons",1.27 + "Analog R trigger", "Analog L trigger",1.28 + "Analog horizontal", "Analog vertical",1.29 + "Expanded analog horizontal",1.30 + "Expanded analog vertical",1.31 + "Gun", "Keyboard", "Mouse" };1.32 +1.33 +static uint32_t compute_crc16( dc_bootstrap_head_t h )1.34 +{1.35 + /* Note: Algorithm taken from http://mc.pp.se/dc/ip0000.bin.html */1.36 + uint32_t i, c, n = 0xffff;1.37 + char *data = h->product_id;1.38 + for (i = 0; i < 16; i++)1.39 + {1.40 + n ^= (data[i]<<8);1.41 + for (c = 0; c < 8; c++)1.42 + if (n & 0x8000)1.43 + n = (n << 1) ^ 4129;1.44 + else1.45 + n = (n << 1);1.46 + }1.47 + return n & 0xffff;1.48 +}1.49 +1.50 +void parse_ipbin( char *data )1.51 +{1.52 + struct dc_bootstrap_head *head;1.53 + int i, got, periph, crc, hcrc;1.54 + char *prot_symbols;1.55 + char buf[512];1.56 +1.57 + /* Dump out the bootstrap metadata table */1.58 + head = (struct dc_bootstrap_head *)data;1.59 + prot_symbols = ((char *)data) + 0x3700;1.60 + memcpy( buf, head->product_name, 128 );1.61 + for( i=127; i>0 && buf[i] == ' '; i-- );1.62 + buf[i] = '\0';1.63 + periph = strtol( head->peripherals, NULL, 16 );1.64 + INFO( "Bootstrap loaded, Name: %s Author: %-16.16s",1.65 + buf, head->vendor_id );1.66 + sprintf( buf, "%4.4s", head->crc );1.67 + crc = compute_crc16(head);1.68 + hcrc = strtol( buf, NULL, 16 );1.69 + emit( crc == hcrc ? EMIT_INFO : EMIT_WARN, MODULE_ID,1.70 + " Header CRC: %04X (Computed %04X)", hcrc, crc );1.71 + INFO( " Boot File: %-16.16s", head->boot_file );1.72 + INFO( " Product ID: %-10.10s Product Ver: %-6.6s Date: %-8.8s",1.73 + head->product_id, head->product_ver, head->product_date );1.74 + INFO( " Disc ID: %-11.11s Regions: %-8.8s Peripherals: %07X",1.75 + head->gdrom_id, head->regions, periph );1.76 + strcpy( buf, " Supports: " );1.77 + got = 0;1.78 + for( i=0; i<28; i++ ) {1.79 + if( periph & (1<<i) ){1.80 + if( got ) strcat( buf, ", " );1.81 + strcat( buf, dc_peripherals[i] );1.82 + got = 1;1.83 + }1.84 + if( i == 11 ) i = 23; /* Skip 8-23 */1.85 + }1.86 + INFO( buf, NULL );1.87 + strcpy( buf, " Requires: " );1.88 + got = 0;1.89 + for( i=12; i<24; i++ ) {1.90 + if( periph & (1<<i) ) {1.91 + if( got ) strcat( buf, ", " );1.92 + strcat( buf, dc_peripherals[i] );1.93 + got = 1;1.94 + }1.95 + }1.96 + INFO( buf, NULL );1.97 +#if 01.98 + INFO( " Area protection symbols:", NULL );1.99 + for( i=0; i<8; i++ )1.100 + INFO( " %d: %28.28s", i, &prot_symbols[(i*32)+4] );1.101 +#endif1.102 +}
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